The typical power supply for a residential electric furnace is _____.

a. 24V
b. 120/208V
c. 208/240V
d. 500V


c. 208/240V

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The resistance can be adjusted to permit the triac to fire when the AC waveform reaches its peak value. This will cause one-____ of the AC voltage to be dropped across the triac.

A. fifth B. fourth C. third D. half

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Etching is limited to laser beam cutting methods

Indicate whether the statement is true or false

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Discuss how brake tubing is manufactured.

What will be an ideal response?

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Electrical charge (Q) is measured in ____.

A. volts B. ohms C. coulombs D. amperes

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